KENNEDY SPACE CENTER, FLA. - Space Shuttle Discovery moves into position on the hardstand of Launch Pad 39B. First motion for the 4.2-mile journey was at 1:58 a.m. EDT. The Space Shuttle rests on a Mobile Launcher Platform that sits atop a Crawler-Transporter. This is the second rollout of Discovery. The orbiter was returned to the Vehicle Assembly Building for connection to an improved External Tank. Launch of Discovery on its Return to Flight mission STS-114 is targeted for a launch window extending from July 13 to July 31.